Exercise 4. Complete the sentences

1. The telecom­munications … in many developing countries are unreliable.

2. The businessmen prefer to … over the Internet with their partners.

3. I had no time to send e-mail … today.

4. People use the Internet all over the ….

5. Internet users have to pay their service … a fee.

6. Some people think that making … from the Internet is easy.

7. The commercial … of the Internet is increasing.

8. The most important Internet problem is ….

9. It’s not safe to send impor­tant … over the network.

10. Some banks conduct … over the Internet.